** up and returning an empty reply.  The default value is about 7 minutes,
** which works well for Fossil behind the althttpd web server.  Other
** server environments may choose a longer or shorter delay.
**
** For maximum efficiency, it is best to choose the longest delay that
** does not cause timeouts in intermediate proxies or web server.
*/
/*
** SETTING: chat-alert-sound     width=10
**
** This is the name of the builtin sound file to use for the alert tone.
** The value must be the name of one of a builtin WAV file.
*/
/*
** WEBPAGE: chat
**
** Start up a browser-based chat session.
**
** This is the main page that humans use to access the chatroom.  Simply
** point a web-browser at /chat and the screen fills with the latest

**
** Return the sound file that should be played when a new chat message
** arrives.
*/
void chat_audio_alert(void){
  Blob audio = empty_blob;
  int n = 0;
  const char *zName = db_get("chat-alert-sound", "alerts/plunk.wav");
  const char *zAudio = (const char*)builtin_file(zName, &n);
  blob_init(&audio, zAudio, n);
  cgi_set_content_type("audio/wav");
  cgi_set_content(&audio);  
}

/*
** COMMAND: chat

      },
      /** Plays a new-message notification sound IF the audible-alert
          setting is true, else this is a no-op. Returns this.
      */
      playNewMessageSound: function f(){
        if(f.uri){
          try{
            if(!f.audio) f.audio = new Audio(F.rootPath+"chat-alert");
            f.audio.currentTime = 0;
            f.audio.play();
          }catch(e){
            console.error("Audio playblack failed.",e);
          }
        }
        return this;

  $(SRCDIR)/../skins/rounded1/footer.txt \
  $(SRCDIR)/../skins/rounded1/header.txt \
  $(SRCDIR)/../skins/xekri/css.txt \
  $(SRCDIR)/../skins/xekri/details.txt \
  $(SRCDIR)/../skins/xekri/footer.txt \
  $(SRCDIR)/../skins/xekri/header.txt \
  $(SRCDIR)/accordion.js \
  $(SRCDIR)/alerts/bflat3.wav \
  $(SRCDIR)/alerts/plunk.wav \
  $(SRCDIR)/chat.js \
  $(SRCDIR)/ci_edit.js \
  $(SRCDIR)/copybtn.js \
  $(SRCDIR)/default.css \
  $(SRCDIR)/diff.tcl \
  $(SRCDIR)/forum.js \

/*
** WEBPAGE: setup_chat
**
** The "Admin/Chat" page.  Requires Setup privilege.
*/
void setup_chat(void){
  static const char *const azAlerts[] = {
    "alerts/plunk.wav",  "Plunk",
    "alerts/bflat3.wav", "Tone-1",
  };

  login_check_credentials();
  if( !g.perm.Setup ){
    login_needed(0);
    return;
  }

  style_set_current_feature("setup");

  @ content to arrive.  But the /chat-poll cannot block forever.  It
  @ eventual must give up and return an empty message set.  This setting
  @ determines how long /chat-poll will wait before giving up.  The
  @ default setting of approximately 7 minutes works well on many systems.
  @ Shorter delays might be required on installations that use proxies
  @ or web-servers with short timeouts.  For best efficiency, this value
  @ should be larger rather than smaller.
  @ (Property: "chat-poll-timeout")</p>
  @ <hr />

  multiple_choice_attribute("Alert sound",
     "chat-alert-sound", "snd", azAlerts[0],
     count(azAlerts)/2, azAlerts);
  @ <p>The sound used in the client-side chat to indicate that a new
  @ chat message has arrived.
  @ (Property: "chat-alert-sound")</p>
  @ <hr/>
  @ <p><input type="submit"  name="submit" value="Apply Changes" /></p>
  @ </div></form>
  db_end_transaction(0);
  style_finish_page();
}

/*

  $(SRCDIR)/../skins/rounded1/footer.txt \
  $(SRCDIR)/../skins/rounded1/header.txt \
  $(SRCDIR)/../skins/xekri/css.txt \
  $(SRCDIR)/../skins/xekri/details.txt \
  $(SRCDIR)/../skins/xekri/footer.txt \
  $(SRCDIR)/../skins/xekri/header.txt \
  $(SRCDIR)/accordion.js \
  $(SRCDIR)/alerts/bflat3.wav \
  $(SRCDIR)/alerts/plunk.wav \
  $(SRCDIR)/chat.js \
  $(SRCDIR)/ci_edit.js \
  $(SRCDIR)/copybtn.js \
  $(SRCDIR)/default.css \
  $(SRCDIR)/diff.tcl \
  $(SRCDIR)/forum.js \

        "$(SRCDIR)\..\skins\rounded1\footer.txt" \
        "$(SRCDIR)\..\skins\rounded1\header.txt" \
        "$(SRCDIR)\..\skins\xekri\css.txt" \
        "$(SRCDIR)\..\skins\xekri\details.txt" \
        "$(SRCDIR)\..\skins\xekri\footer.txt" \
        "$(SRCDIR)\..\skins\xekri\header.txt" \
        "$(SRCDIR)\accordion.js" \
        "$(SRCDIR)\alerts\bflat3.wav" \
        "$(SRCDIR)\alerts\plunk.wav" \
        "$(SRCDIR)\chat.js" \
        "$(SRCDIR)\ci_edit.js" \
        "$(SRCDIR)\copybtn.js" \
        "$(SRCDIR)\default.css" \
        "$(SRCDIR)\diff.tcl" \
        "$(SRCDIR)\forum.js" \

	echo "$(SRCDIR)\../skins/rounded1/footer.txt" >> $@
	echo "$(SRCDIR)\../skins/rounded1/header.txt" >> $@
	echo "$(SRCDIR)\../skins/xekri/css.txt" >> $@
	echo "$(SRCDIR)\../skins/xekri/details.txt" >> $@
	echo "$(SRCDIR)\../skins/xekri/footer.txt" >> $@
	echo "$(SRCDIR)\../skins/xekri/header.txt" >> $@
	echo "$(SRCDIR)\accordion.js" >> $@
	echo "$(SRCDIR)\alerts/bflat3.wav" >> $@
	echo "$(SRCDIR)\alerts/plunk.wav" >> $@
	echo "$(SRCDIR)\chat.js" >> $@
	echo "$(SRCDIR)\ci_edit.js" >> $@
	echo "$(SRCDIR)\copybtn.js" >> $@
	echo "$(SRCDIR)\default.css" >> $@
	echo "$(SRCDIR)\diff.tcl" >> $@
	echo "$(SRCDIR)\forum.js" >> $@